//设置皮肤
function setSkin(skin_class){
				if($('#ace-skins-stylesheet').length == 0) {
					//let's load skins stylesheet only when needed!
					var ace_style = $('head').find('link.ace-main-stylesheet');
					if(ace_style.length == 0) {
						ace_style = $('head').find('link[href*="/ace.min.css"],link[href*="/ace-part2.min.css"]');
						if(ace_style.length == 0) {
							ace_style = $('head').find('link[href*="/ace.css"],link[href*="/ace-part2.css"]');
						}
					}
					
					var stylesheet_url = ace_style.first().attr('href').replace(/(\.min)?\.css$/i , '-skins$1.css');
					$.ajax({
						'url': stylesheet_url
					}).done(function() {
						var new_link = jQuery('<link />', {type : 'text/css', rel: 'stylesheet', 'id': 'ace-skins-stylesheet'})
						if(ace_style.length > 0){
							new_link.insertAfter(ace_style.last());
						}
						else new_link.appendTo('head');
				
						new_link.attr('href', stylesheet_url);
						//we set "href" after insertion, for IE to work
						
						applyChanges(skin_class);
						if(window.Pace && Pace.running)	Pace.stop();
					})
				}
				else {
					applyChanges(skin_class);
				}


				function applyChanges(skin_class) {
					//skin cookie tip
					var body = $(document.body);
					body.removeClass('no-skin skin-1 skin-2 skin-3');
					//if(skin_class != 'skin-0') {
						body.addClass(skin_class);
						ace.data.set('skin', skin_class);
						//save the selected skin to cookies
						//which can later be used by your server side app to set the skin
						//for example: <body class="<?php echo $_COOKIE['ace_skin']; ?>"
					//} else ace.data.remove('skin');
					
					var skin3_colors = ['red', 'blue', 'green', ''];

					
						//undo skin-1
						$('.ace-nav > li.grey').removeClass('dark');
						
						//undo skin-2
						$('.ace-nav > li').removeClass('no-border margin-1');
						$('.ace-nav > li:not(:last-child)').removeClass('light-pink').find('> a > '+ace.vars['.icon']).removeClass('pink').end().eq(0).find('.badge').removeClass('badge-warning');
						$('.sidebar-shortcuts .btn')
						.removeClass('btn-pink btn-white')
						.find(ace.vars['.icon']).removeClass('white');
						
						//undo skin-3
						$('.ace-nav > li.grey').removeClass('red').find('.badge').removeClass('badge-yellow');
						$('.sidebar-shortcuts .btn').removeClass('btn-primary btn-white')
						var i = 0;
						$('.sidebar-shortcuts .btn').each(function() {
							$(this).find(ace.vars['.icon']).removeClass(skin3_colors[i++]);
						})
					
					

					
					var skin0_buttons = ['btn-success', 'btn-info', 'btn-warning', 'btn-danger'];
					if(skin_class == 'no-skin') {
						var i = 0;
						$('.sidebar-shortcuts .btn').each(function() {
							$(this).attr('class', 'btn ' + skin0_buttons[i++%4]);
						})
						
						$('.sidebar[data-sidebar-scroll=true]').ace_sidebar_scroll('updateStyle', '');
						$('.sidebar[data-sidebar-hover=true]').ace_sidebar_hover('updateStyle', 'no-track scroll-thin');
					}

					else if(skin_class == 'skin-1') {
						$('.ace-nav > li.grey').addClass('dark');
						var i = 0;
						$('.sidebar-shortcuts')
						.find('.btn').each(function() {
							$(this).attr('class', 'btn ' + skin0_buttons[i++%4]);
						})
						
						$('.sidebar[data-sidebar-scroll=true]').ace_sidebar_scroll('updateStyle', 'scroll-white no-track');
						$('.sidebar[data-sidebar-hover=true]').ace_sidebar_hover('updateStyle', 'no-track scroll-thin scroll-white');
					}

					else if(skin_class == 'skin-2') {
						$('.ace-nav > li').addClass('no-border margin-1');
						$('.ace-nav > li:not(:last-child)').addClass('light-pink').find('> a > '+ace.vars['.icon']).addClass('pink').end().eq(0).find('.badge').addClass('badge-warning');
						
						$('.sidebar-shortcuts .btn').attr('class', 'btn btn-white btn-pink')
						.find(ace.vars['.icon']).addClass('white');
						
						$('.sidebar[data-sidebar-scroll=true]').ace_sidebar_scroll('updateStyle', 'scroll-white no-track');
						$('.sidebar[data-sidebar-hover=true]').ace_sidebar_hover('updateStyle', 'no-track scroll-thin scroll-white');
					}

					//skin-3
					//change shortcut buttons classes, this should be hard-coded if you want to choose this skin
					else if(skin_class == 'skin-3') {
						body.addClass('no-skin');//because skin-3 has many parts of no-skin as well
						
						$('.ace-nav > li.grey').addClass('red').find('.badge').addClass('badge-yellow');
						
						var i = 0;
						$('.sidebar-shortcuts .btn').each(function() {
							$(this).attr('class', 'btn btn-primary btn-white');
							$(this).find(ace.vars['.icon']).addClass(skin3_colors[i++]);
						})
						
						$('.sidebar[data-sidebar-scroll=true]').ace_sidebar_scroll('updateStyle', 'scroll-dark no-track');
						$('.sidebar[data-sidebar-hover=true]').ace_sidebar_hover('updateStyle', 'no-track scroll-thin');
					}

					//some sizing differences may be there in skins, so reset scrollbar size
					$('.sidebar[data-sidebar-scroll=true]').ace_sidebar_scroll('reset')
					//$('.sidebar[data-sidebar-hover=true]').ace_sidebar_hover('reset')
					
					if(ace.vars['old_ie']) ace.helper.redraw(document.body, true);
				}

			 }